How to install and run Windows 11 (Sun Valley) on a USB flash drive as portable Windows 11?

June 21, 2021, Posted by Admin to Windows 11 To Go

Since the release of Windows 10 on October 1, 2014, Microsoft has always said that Windows 10 will be the last version of Windows. However, recently there has been an abnormally leaked Windows 11 installation ISO on the Internet, which seems to mean that Microsoft has changed its position.

Our product Hasleo WinToUSB is the most professional tool for creating portable Windows on the market, we are very interested in installing Windows 11 to a USB flash drive, so regardless of whether the installation ISO is true or not, we tested it. The good news is that after installing Windows 11 to a USB flash drive using Hasleo WinToUSB, we can successfully boot Windows 11 from the USB flash drive. Below we will introduce in detail how to install and run Windows 11 on a USB flash drive as portable Windows 11 with Hasleo WinToUSB.


Tutorial to install and run Windows 11 (Sun Valley) on a USB flash drive as portable Windows 11.

Step 1. Connect the USB flash drive to a computer with Hasleo WinToUSB installed, then run Hasleo WinToUSB.

Step 2. Click the ISO Icon button, then click the Browse Icon button and select the Windows 11 installation ISO file from the open dialog box.

Step 3. Hasleo WinToUSB will lists all installable Windows 11 editions in the installation ISO, please select the edition of Windows you want to install, then click "Next".

select Windows 11 edition

Step 4. Select the USB flash drive in the drop-down list. If the USB drive is not correctly recognized by WinToUSB, you need to click the Refresh Icon button for the program to recognize the USB drive.

select usb flash drive

Step 5. After you select the USB drive, a pop-up will appear asking you if you want to format it to continue, tick the "MBR for BIOS and UEFI" checkbox, then click "Yes".

Format the USB drive

Step 6. After clicking "Yes", WinToUSB begins formatting. Please wait until that format operation is complete.

formatting USB drive

Step 7. After successfully formated the USB drive, select the installation mode, then click "Next".

select partition

Step 8. After clicking "Next", WinToUSB begins installing Windows 11 to the USB drive.

installing Windows to USB drive

Step 9. It takes some time to install. After installation restart the computer and change BIOS to boot from your USB drive.

change BIOS to boot from USB

Step 10. Windows 11 normal installation starts up and you have to complete all the installation steps. After that, you can install programs, copy files, etc.

Windows 11 normal installation


As a professional portable Windows creation tool, you can install and run Windows 11 on a USB flash drive easily with the help of Hasleo WinToUSB, and you can also use it to install and run Windows 11 an external hard drive.